Reconciliation of the Total Amounts of Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Disclosure - Reconciliation of the Total Amounts of Unrecognized Tax Benefits (Details) [Line Items]
Unrecognized Tax, Benefits Beginning Balance	$ 355	$ 852	$ 220
Change in prior year tax positions	(22)	(420)	581
Current tax positions	142	63	61
Settlements with taxing authorities	(47)	(145)
Lapse of statute of limitations	(114)	5	(10)
Unrecognized Tax Benefits, Ending Balance	$ 314	$ 355	$ 852

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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